{"product_id":"se-rear-axle-3-8-142mm-beast-mode-monster","title":"SE Bikes Rear Solid Axle – 3\/8\" Cr-Mo – 142mm Hub \/ 210mm Length – Beast Mode Ripper (2018–2023) \/ Monster Ripper \u0026 Monster Quad (2019–2023)","description":"\u003cp\u003eThis is a direct replacement rear solid axle for specific 29\" and 27.5\"+ SE Bikes models using a 142mm rear hub spacing. It fits select Beast Mode Ripper, Monster Ripper, and Monster Quad model years.\u003c\/p\u003e\n\u003cp\u003eThis is the axle shaft only. No nuts, washers, cones, or spacers included. Confirm hub spacing and model year before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Functional Details\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3\/8\" solid rear axle\u003c\/li\u003e\n\u003cli\u003eChromoly (Cr-Mo) construction\u003c\/li\u003e\n\u003cli\u003e142mm rear hub spacing (OLD)\u003c\/li\u003e\n\u003cli\u003e210mm overall axle length\u003c\/li\u003e\n\u003cli\u003eRear hub application\u003c\/li\u003e\n\u003cli\u003eAxle shaft only – hardware not included\u003c\/li\u003e\n\u003cli\u003ePlatform: BMX (29\" \/ 27.5\"+ street BMX specific)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Technical Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFits MY18–MY23 SE Beast Mode Ripper (142mm rear hub versions)\u003c\/li\u003e\n\u003cli\u003eFits MY19–MY23 SE Monster Ripper (142mm rear hub versions)\u003c\/li\u003e\n\u003cli\u003eFits MY19–MY23 SE Monster Quad (142mm rear hub versions)\u003c\/li\u003e\n\u003cli\u003eRequires 3\/8\" solid axle rear hub\u003c\/li\u003e\n\u003cli\u003eHub spacing (OLD): 142mm\u003c\/li\u003e\n\u003cli\u003eOverall axle length: 210mm\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit 170mm fat bike hubs\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit 190mm or 197mm fat bike hubs\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit 14mm BMX hubs\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit 12mm thru-axle MTB systems\u003c\/li\u003e\n\u003cli\u003eDoes NOT fit quick-release hubs\u003c\/li\u003e\n\u003cli\u003eConfirm your model year and hub spacing before purchase\u003c\/li\u003e\n\u003cli\u003ePlatform Type: BMX (29\" \/ 27.5\"+ models listed only)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eService \/ Ownership Context\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSolid rear axles commonly bend on wheelie bikes and large-wheel BMX models from heavy landings or repeated torque loads. Replacement requires full hub disassembly and correct bearing preload adjustment. This is a service-level repair for most riders.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFit \u0026amp; Use Signals\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood Fit:\u003c\/strong\u003e You own a 2018–2023 Beast Mode Ripper with 142mm rear hub spacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood Fit:\u003c\/strong\u003e You own a 2019–2023 Monster Ripper or Monster Quad with 142mm rear hub spacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood Fit:\u003c\/strong\u003e Your current axle measures approximately 210mm overall.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot A Fit:\u003c\/strong\u003e You have a Fat Ripper or Fat Quad (170mm spacing).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot A Fit:\u003c\/strong\u003e Your hub uses a 14mm BMX axle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNot A Fit:\u003c\/strong\u003e Your bike uses a thru-axle system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"display: none;\" data-ai=\"mechanic-insight\"\u003eThese bend from hard wheelies, heavy riders, or repeated curb drops. Beast Mode and Monster bikes get ridden hard. Most customers don’t measure OLD (Over Locknut Dimension). 142mm is not the same as fat spacing. If they guess, they buy wrong. If axle is bent, inspect cones and bearing surfaces. Sometimes the cone threads get damaged. Axle only — no hardware. People forget this. If rider keeps bending axles, consider whether frame allows 14mm upgrade. Many of these frames are built around 3\/8” only. Common complaint: “It bent again.” That’s riding style, not axle defect. Install requires hub teardown and proper cone preload. Over-tightening kills bearings fast.\u003c\/div\u003e","brand":"SE BIKES","offers":[{"title":"Default Title","offer_id":53089970192698,"sku":"GG-AXLE-SE-MONSTER-210-142MM","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/IMG_0056.heic?v=1772046731","url":"https:\/\/gograva.com\/products\/se-rear-axle-3-8-142mm-beast-mode-monster","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}